Jianzhou or Jian Prefecture is the name of a number of former prefectures in China. It may refer to:
Written as 建州 Jianzhou (Fujian), in roughly modern Jian'ou, Fujian Jian ware or Jianzhou ware, produced in Jianzhou Jianzhou of Balhae/Bohai, in modern Dongning, Heilongjiang Jianzhou Guard, home of the Jianzhou Jurchens
Jianzhou, in roughly modern Jincheng, Shanxi Jianzhou, in roughly modern Yunan, Guangdong Jianzhou, in roughly modern Shangcheng County, Henan Jianzhou, in roughly modern Shaoyang, Hunan Jianzhou, in roughly modern Fuzhou, Fujian Jianzhou of Liao, in roughly modern Chaoyang County, Liaoning
Written as 劍州 / 剑州 Jianzhou, in roughly modern Ngawa County, Sichuan Jianzhou, in roughly modern Jiange County, Sichuan Jianzhou or South Jianzhou, in roughly modern Nanping, Fujian
Written as 簡州 / 简州 Jianzhou, in roughly modern Heng County, Guangxi Jianzhou, in roughly modern Jianyang, Sichuan Jianzhou, in roughly modern Danyang, Jiangsu
See also Jian Zhou